Home / 39,920.88-59,891.85-13,625.58

Finding the Fourth Proportional to 39,920.88, 59,891.85 and 13,625.58

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Solution

The fourth proportional to 39,920.88, 59,891.85 and 13,625.58 is: 20,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.88 : 59,891.85 = 13,625.58 : x
  2. Step 2: Convert to fraction form
    39,920.88/59,891.85 = 13,625.58/x
  3. Step 3: Cross multiply
    39,920.88x = 59,891.85 × 13,625.58
  4. Step 4: Simplify right side
    39,920.88x = 816,061,193.52
  5. Step 5: Solve for x
    x = 816,061,193.52/39,920.88
  6. Step 6: Final answer
    x = 20,441.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.